Home / 2,419,769.40-3,629,999.70-822,406.20

Finding the Fourth Proportional to 2,419,769.40, 3,629,999.70 and 822,406.20

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Solution

The fourth proportional to 2,419,769.40, 3,629,999.70 and 822,406.20 is: 1,233,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,769.40 : 3,629,999.70 = 822,406.20 : x
  2. Step 2: Convert to fraction form
    2,419,769.40/3,629,999.70 = 822,406.20/x
  3. Step 3: Cross multiply
    2,419,769.40x = 3,629,999.70 × 822,406.20
  4. Step 4: Simplify right side
    2,419,769.40x = 2,985,334,259,278.14
  5. Step 5: Solve for x
    x = 2,985,334,259,278.14/2,419,769.40
  6. Step 6: Final answer
    x = 1,233,726.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.